but with no signature tall buildings and few tourist attractions, jubail doesn't have the flash of doha or dubai. >> i have to say, dubai is the heaven of architects. jubail is the heaven of chemical engineers. this is the largest petrol complex worldwide. >> reporter: they manufacture chemicals like propane and polyester from the kingdom's natural resources and shipping them throughout europe and asia. jubail is one of the most tangible examples of the kingdom's long-term plan to move the economy away from just exporting oil. now more than 100,000 people live here in jubail industry city. the region accounts for around 7% of the country's gdp and it's getting bigger. in the newest phase, known as jubail two, state-run oil giant are building a massive plan to the refine diesel and jet fuel. there's also a space set aside for a plant u.s. chemical giant dow and saudi firm subic. >> we are going joint venture, the foreign partners bring the tech knowledge and the no-knokn. >> reporter: though jubail was conceived and constructed for the petrol industry, they are several kilometers downwin